983438980 has 24 divisors (see below), whose sum is σ = 2066301720. Its totient is φ = 393169920.

The previous prime is 983438977. The next prime is 983438987. The reversal of 983438980 is 89834389.

It can be written as a sum of positive squares in 4 ways, for example, as 5125696 + 978313284 = 2264^2 + 31278^2 .

It is not an unprimeable number, because it can be changed into a prime (983438987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29806 + ... + 53434.

It is an arithmetic number, because the mean of its divisors is an integer number (86095905).

Almost surely, 2^983438980 is an apocalyptic number.

It is an amenable number.

983438980 is an abundant number, since it is smaller than the sum of its proper divisors (1082862740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

983438980 is a wasteful number, since it uses less digits than its factorization.

983438980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25719 (or 25717 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 983438980 is about 31359.8306755633. The cubic root of 983438980 is about 994.4489023331.

The spelling of 983438980 in words is "nine hundred eighty-three million, four hundred thirty-eight thousand, nine hundred eighty".